I can camber you can camber he can camber we can camber you can camber they can camber
V-ing form
I can be cambering you can be cambering he can be cambering we can be cambering you can be cambering they can be cambering
Perfect
I can have cambered you can have cambered he can have cambered we can have cambered you can have cambered they can have cambered
V-ing perfect
I can have been cambering you can have been cambering he can have been cambering we can have been cambering you can have been cambering they can have been cambering
Negation
Simple form
I cannot camber you cannot camber he cannot camber we cannot camber you cannot camber they cannot camber
V-ing form
I cannot be cambering you cannot be cambering he cannot be cambering we cannot be cambering you cannot be cambering they cannot be cambering
Perfect
I cannot have cambered you cannot have cambered he cannot have cambered we cannot have cambered you cannot have cambered they cannot have cambered
V-ing perfect
I cannot have been cambering you cannot have been cambering he cannot have been cambering we cannot have been cambering you cannot have been cambering they cannot have been cambering
Interrogative form
Simple form
can I camber? can you camber? can he camber? can we camber? can you camber? can they camber?
V-ing form
can I be cambering? can you be cambering? can he be cambering? can we be cambering? can you be cambering? can they be cambering?
Perfect
can I have cambered? can you have cambered? can he have cambered? can we have cambered? can you have cambered? can they have cambered?
V-ing perfect
can I have been cambering? can you have been cambering? can he have been cambering? can we have been cambering? can you have been cambering? can they have been cambering?
Interro-negative form
Simple form
can I not camber? can you not camber? can he not camber? can we not camber? can you not camber? can they not camber?
V-ing form
can I not be cambering? can you not be cambering? can he not be cambering? can we not be cambering? can you not be cambering? can they not be cambering?
Perfect
can I not have cambered? can you not have cambered? can he not have cambered? can we not have cambered? can you not have cambered? can they not have cambered?
V-ing perfect
can I not have been cambering? can you not have been cambering? can he not have been cambering? can we not have been cambering? can you not have been cambering? can they not have been cambering?